PNEUMATIC VALVE POSITIONER

PNEUMATIC VALVE POSITIONER is an instrument working on force balanceprinciple to position the Control Valve stem in accordance to a pneumatic signal received from acontroller or manual loading station, regardless of packing box friction, actuator hysteresis orunbalanced forces on the valve plug. Thus, the positioner ensures a reliable and accurate operationof Control Valve.
 
TECHNICAL SPECIFICATIONS
     
MODEL DESIGNATION  : VP-1 Single Acting-Direct Action.
  : VP-2 Single Acting- Reverse Action.
  : VP-3 Double Acting- Direct Action.
     
  
SUPPLY CONNECTION : 1 /4 NPT (F)
 
SUPPLY AIR PRESSURE  : 1.4 To 3.5 kg/cm? (Standard.)
  : 5.0 kg/cm? (Maximum)
 
INPUT : 0.2 1.0 kg/cm? (Standard)
  : 0.2 0.6 kg/cm? (Split Range)
  : 0.6 1.0 kg/cm? (Split Range)
 
HYSTERESIS : Within